Water-cooling apparatus for gas or gasolene engines.



PATENTED NOV. 12, 1907 J. C. McLAGHLAN. WATER COOLING APPARATUS FOR GAS OR GASOLENE ENGINES.

APPLIOATION FILED DBO. 26,1906.

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UN TED STATES F Q- ur JOHN CAMPBELL McLAOHLAN. orrosouro, ONTARIO," CANADA.

' wi'rsmtcoorime APPARATUS non-ens on ohsoLnim mvemns.

To all whom it may concern: 7

Be it known that I, zlonu CAMPBELL MCLACHLAN, of the city of Toronto, in the county of York, in the Province of Ontario, Canada, have invented certain new and useful improvements in Water-Cooling Apparatus for Gas or Gasoleue Engines, of which the following is the specification.

My invention relates to improvements in water cooling apparatus for gas or gasolene engines and more pars ticularly portable engines, and the object of the invention is to devise an apparatus whereby a sin-all body of water may beutilized for the circulation through the water jacket of a gasolene engine and yet maintained at a comparatively cool temperature or a temperature conducive to the best results in the running of the engine and it consists essentially of a water tank suitably supported in the frame of the engine and provided at the bottom with a pipe extending to the lower portion of the water jacket, an open tube extending up through 'such' tank and having the exhaust pipe of th engine extending into the bottom of the same, a stack extending upwardly from the watertank and provided with a perforated bottom portion, an exit at the upper end larger in diameter than the main tube from which it is separated, a tubular spraying ring perforated around its periphery and connected to'the pipe leading to the highestportion of the water jacket of the engine and forming portion of the wall of the stack and surrounding the vertical tube and over which the heated water drops and cools as i passes to the tank below, the parts, being arranged and constructed in detail as hereinafter more particularly explained.

Figure 1, is aperspective view showing the arrangement of my water cooling apparatus. Fig. 2, is a vertical section through the apparatus. of the spraying ring.

In the drawings like letters of reference indicate corresponding parts in each figure.

A is the cylinderoi the gasolene engine provided with the usual water jacket B and B is'the frame of the engine.

C is a water tank supported on the frame at one end and D is a pipe leading from the tank to the lower portion of the water jacket or hollow base of the engine.

E is an'open ended tube or exit flue leading up through the tank from the bottom and F is the exhaust pipe of the engine, which extends into the bottom of the pipe E.

G is a stack, which surrounds the pipe E. The stack G is providedwith the removable cap G connected to the top of thestack by a suitable bayonet slot connection G.

H is an exit fine of a greater diameter than the flue E cap G: and has a tapered lower end H into which the top of the fiiie-E extends.

Specification of Letters Patent. I

Application flied December 26. 1906- Serial No. 349.405. 3

jacket.

Fig. 3, is a detail The fine H forms portion of the Patented Nov." 12, 19027.

I is a hollow ring divided into upper-and lower portions 1 and 1 The lower portion I is'connected' by a pipe J extending through the stack G to theupper l portion of the water jacket of the engine. The upper outer edge ofthe portion I is serrated so that when'the upper; portion'I is-secured by the bolts I on to the portion 1 the serrations form perforations through which the water is fed onto the screens K. The screens K are secured to, and form part of the walls of 55 the stack G. i 1

L is a circular hopper surrounding the stack G and? secured to the top of the water tank 0. v ,7

L are perforations in the top of theta n kbQ connect the hopper with the interior of the tank.

The operation of my invention is as follows: The circulation of hot water is preferably induced by a pump or any suitable means and when it rises in the pipe J it passes into the perforated hollow ring and is sprayed through the perforations in such ring, down over the wire screens K dropping into the tank. In its descent it is cooled by air which is drawn through the screens by the forced upward draft caused by the exhaust pipe extending into the pipe E, and passing 7 upwardly through the exit flue H into the atmosphere. Any water which passes through the screens K iscaught by the hopper L, and passes through the perforations L into the tank C. The cooled water then returns through the pipe D to the lower portion of the water Such anapparatus'as I describe is simple and cheap to make and provides in a portable engine for the effectual cooling of the water jacket without waste of water which is an important desideratum in this class of' engine.

What I claim as iny invention is:

1. In a water cooling apparatus for gas or gasolene engines, the combination with the exhaust pipe of a gasolene engine, of a water tank having an open ended flue extending upwardly therethrough and into which the bottom end of the exhaust pipe extends, a stack surrounding the flue, water cooling means carried by the stack a return pipe extending from'the tank to the water jacket of the engine, a flow pipe extending from the water jacket into the stack and a perforated ring located in the stack and surrounding the due and connected to the flow pipe, as and for the purpose specified.

2. In a water cooling apparatus for gas or gasoie e en- 'gines, the combination with the exhaust pipe of, a gasolene engine, of a water tank having an open ended flue extending upwardly therethrough and into-which the bottom end of the exhaust pipe extends, a stack surrounding the fine, a return pipe extending from the tank to the water jacket of the en'gine, a flow pipe extending from the water jacket intothe stack, a perforated ring located in the stack and surrounding the flue and connected to the flow pipe and a wire screen located in the stuckand surrounding\ the flue, as and for the purpose specified 3. In a water cooling apparatus for gas or gasolene engines, the combination with the exhaust pipe of a gasolene engine, of a water tank having an open ended flue extending upwardl v therethrough and into which the bottom end of the exhaust pipe extends, a stack surrounding the flue, a return pipe extending froin the tank to the water jacket of the engine, afiou'r'pipeextending from the water 5, jacket into the tank and a perforated ring located in the stack and surrounding the flue and connected to the flow pipe and Screens forming a portion of the wall of the stuck surrounding theflue as and for the purposespeclfied.

4. In a'tvater cooling apparatus for gas or gasolene en 10 gines the combination with the exhaust pipe of a gasolene engine, of a water tank having an open ended flue extending upwardly therethrough and into which the bottom end of the exhaust pipe extendsn stuck surrounding the flue; u hopper surrounding the stack and provided with 15 perforationsat the bottom communicating with the tank,

and a return pipe extending through the tank to the wa-' ter jacket of the engine, a---tlp w pipe extending from the Water jacket into the stack, a perforated ring located in the-stack and surrounding the flue andconnected to the 2" flow pipe, screens surrounding the flue and located beneath the ring, a cap for the stack provided with the exit flue extending from the fine in the stack, as and for the purpose specified. 1

5. In a. water cooling ttppa t 'atus for gas or gasolene en- 25 gines, the combination with,the exhaust pipe of a gasolene engine, of a water tank having an open ended fiue extending upwardly therethrojugh and into which the bottom end of the exhaust pipe extends,a stack surrounding the me, a return 'pipe extending through the tank to the witer Jacket of the engine, a flow pipe extending from the water jacket into the stack, a perforated ring located in the stack and surrounding the' flue and connectedto the flow pipe, screens surrounding the flue and located beneath the ring,'a'cap for the stack provided with the-exit fluelof greater-diameter than the flue in the stack and having the lower end tapered where the flue extendsthere into as and for the purpose specified. Y

6. In combination, the tahk connected to the wate jacket of the engine, the central flue, the, stack surrounding the flue and extending upwardly from the tank and open at the hottom and a water spraylng lneans located in the stack and connected to the water jacket of the engine and the exhaust pipe leading into the vertical fiue as and for the purpose specified.

7. In combination, the tank connected to the water- 

